
/**
Copied and modified from June 1990 CUJ, p 71-72.
*/

#include <stdio.h>
void main()
    {
     FILE *file_printer;
     int x, y, z;

     x = 5;
     y = 6;
     z = x + y;

     if ( (file_printer = fopen("LPT1", "w") ) == NULL) 
          {
          printf ("unable to open file".\n");
          exit(0);
          }
     
     fprintf(file_printer, "The answer is %10d.", z);
     fflush(file_printer);
     fclose (file_printer);
     }

